浅话ｄＢＡ与听力众所周知，国际上采用ｄＢＡ（分贝）做为测量声音强度的标准尺度。但是，分贝与听力之间的内在联系，则未必人人都十分知晓。如果我们能够略知一些这方面的知识，这对于从事冶金、机械、采掘等行业的职工，特别是生产一线上的工人，无疑是十分有益的。首... Shallow dBA and hearing As we all know, the international dBA (decibel) as the standard measure of sound intensity. However, not all people are well aware of the intrinsic link between decibel and hearing. If we can understand some of this knowledge, it is undoubtedly very beneficial to those workers engaged in metallurgy, machinery, mining and other industries, especially the frontline workers. first...